/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.streampark.gateway.results;

import javax.annotation.Nullable;

import java.io.Serializable;
import java.util.Objects;

public final class ObjectIdentifier implements Serializable {

  static final String UNKNOWN = "<UNKNOWN>";

  private final @Nullable String catalogName;
  private final @Nullable String databaseName;
  private final String objectName;

  public ObjectIdentifier(
      @Nullable String catalogName, @Nullable String databaseName, String objectName) {
    this.catalogName = catalogName;
    this.databaseName = databaseName;
    this.objectName = objectName;
  }

  @Nullable
  public String getCatalogName() {
    return catalogName;
  }

  @Nullable
  public String getDatabaseName() {
    return databaseName;
  }

  public String getObjectName() {
    return objectName;
  }

  @Override
  public boolean equals(Object o) {
    if (this == o) {
      return true;
    }
    if (o == null || getClass() != o.getClass()) {
      return false;
    }
    ObjectIdentifier that = (ObjectIdentifier) o;
    return Objects.equals(catalogName, that.catalogName)
        && Objects.equals(databaseName, that.databaseName)
        && Objects.equals(objectName, that.objectName);
  }

  @Override
  public int hashCode() {
    return Objects.hash(catalogName, databaseName, objectName);
  }

  @Override
  public String toString() {
    return "ObjectIdentifier{"
        + "catalogName='"
        + catalogName
        + '\''
        + ", databaseName='"
        + databaseName
        + '\''
        + ", objectName='"
        + objectName
        + '\''
        + '}';
  }
}
